by 박정연, Jung-yeon Park, 박순미, Soon-mi Park
Published in Korean journal of clinical laboratory science (30.06.2017)

by 최지원, 정연수
Published in 직업재활연구 (31.12.2023)

by 채수진(Su Jin Chae), 정연훈(Yun Hoon Choung), 정윤석(Yoon Sok Chung)
Published in Korean journal of medical education (31.03.2015)

by 정연준, Joung, Youn Joon
Published in Suhak gyoyukak yeon-gu (Online) (31.05.2013)

by 정연조(Yeon Jo Jung), 서영욱(Young Wook Seo)
Published in 한국콘텐츠학회 논문지, 24(5) (01.05.2024)

by 김정연, 권경희
Published in Yaghag-hoi-ji (01.12.2013)

by 정연수, 김경옥, 이시형, 장병익, 김태년
Published in The Korean journal of gastroenterology (01.02.2016)

by 신정연(Jeong Yeon Shin), 강재란(Jae Ran Kang), 신정혜(Jung Hye Shin), 서원택(Weon Taek Seo), 변희욱(Hee Uk Byun), 최진상(Jin Sang Choi), 강민정(Min Jung Kang)
Published in Han'guk Sikp'um Yŏngyang Kwahakhoe chi (2017)

by 조현진, 정연복, 김병도, 정사무엘, 서성원
Published in 농업생명과학연구, 54(2) (30.04.2020)

by 윤정연(Jung-Yeon Yun), 김보람(Boram Kim), 정희선(Hee Sun Jeong), 주나미(Nami Joo)
Published in Korean journal of community nutrition (2017)

by 허동수(Dong-Soo Hur), 이우동(Woo-Dong Lee), 구남헌(Nam-Heon Goo), 전호성(Ho-Seong Jeon), 정연명(Yeon-Myeong Jeong)
Published in Han-guk haeyang gonghak hoeji (Online) (2017)

by 박정연, Jeong-yeon Park
Published in 미용예술경영연구 (31.10.2023)

by 장원철, Woncheol Jang, 김광수, Gwangsu Kim, 김정연, Joungyoun Kim
Published in Ŭngyong tʻonggye yŏnʼgu (2016)

by 임훈희(Hunhee Lim), 최민재(Min-Jae Choi), 정연식(Yeon Sik Jung)
Published in Current Photovoltaic Research (2016)

by 장수희, Soohee Jang, 윤정연, Jungyeon Yoon, 전희주, Heuiju Chun
Published in Ŭngyong tʻonggye yŏnʼgu (2016)

by 김정연(Kim, Jungyeon)
Published in 특수교육논총 (01.08.2021)

by 박영애, Young-ae Park, 이봉훈, Bonghun Lee, 정연석, Yeun Sug Jeong, 장영선, Yeongseon Jang, 유림, Rhim Ryoo, 가강현, Kang-hyeon Ka
Published in Hangug gynnhaghoi ji (31.03.2021)

by 백광민(Kwang Min Baek), 정연식(Yeon Sik Jung)
Published in 고분자 과학과 기술 (2015)

by 김민성, Minsung Kim, 신진호, Jinho Shin, 정연상, Yeonsang Jeong, 조진경, Jinkyeong Cho, 최재필, Jae-phil Choi
Published in The Korean journal of medicine (01.02.2019)

by 정연홍(Jung, Yoen-hong), 류예리(Ryu, Ye-ri)
Published in Tonga pŏphak (01.02.2024)